src/gallium/drivers/radeonsi/r600_query.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include "radeonsi_pipe.h"
  24 #include "sid.h"
  25
  26 static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type)
  27 {
  28         struct r600_context *rctx = (struct r600_context *)ctx;
  29
  30         return (struct pipe_query*)r600_context_query_create(rctx, query_type);
  31 }
  32
  33 static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
  34 {
  35         struct r600_context *rctx = (struct r600_context *)ctx;
  36
  37         r600_context_query_destroy(rctx, (struct r600_query *)query);
  38 }
  39
  40 static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query)
  41 {
  42         struct r600_context *rctx = (struct r600_context *)ctx;
  43         struct r600_query *rquery = (struct r600_query *)query;
  44
  45         memset(&rquery->result, 0, sizeof(rquery->result));
  46         rquery->results_start = rquery->results_end;
  47         r600_query_begin(rctx, (struct r600_query *)query);
  48         LIST_ADDTAIL(&rquery->list, &rctx->active_query_list);
  49 }
  50
  51 static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query)
  52 {
  53         struct r600_context *rctx = (struct r600_context *)ctx;
  54         struct r600_query *rquery = (struct r600_query *)query;
  55
  56         r600_query_end(rctx, rquery);
  57         LIST_DELINIT(&rquery->list);
  58 }
  59
  60 static boolean r600_get_query_result(struct pipe_context *ctx,
  61                                         struct pipe_query *query,
  62                                         boolean wait, union pipe_query_result *vresult)
  63 {
  64         struct r600_context *rctx = (struct r600_context *)ctx;
  65         struct r600_query *rquery = (struct r600_query *)query;
  66
  67         return r600_context_query_result(rctx, rquery, wait, vresult);
  68 }
  69
  70 static void r600_render_condition(struct pipe_context *ctx,
  71                                   struct pipe_query *query,
  72                                   uint mode)
  73 {
  74         struct r600_context *rctx = (struct r600_context *)ctx;
  75         struct r600_query *rquery = (struct r600_query *)query;
  76         int wait_flag = 0;
  77
  78         /* If we already have nonzero result, render unconditionally */
  79         if (query != NULL && rquery->result.u64 != 0) {
  80                 if (rctx->current_render_cond) {
  81                         r600_render_condition(ctx, NULL, 0);
  82                 }
  83                 return;
  84         }
  85
  86         rctx->current_render_cond = query;
  87         rctx->current_render_cond_mode = mode;
  88
  89         if (query == NULL) {
  90                 if (rctx->predicate_drawing) {
  91                         rctx->predicate_drawing = false;
  92                         r600_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, 1);
  93                 }
  94                 return;
  95         }
  96
  97         if (mode == PIPE_RENDER_COND_WAIT ||
  98             mode == PIPE_RENDER_COND_BY_REGION_WAIT) {
  99                 wait_flag = 1;
 100         }
 101
 102         rctx->predicate_drawing = true;
 103
 104         switch (rquery->type) {
 105         case PIPE_QUERY_OCCLUSION_COUNTER:
 106         case PIPE_QUERY_OCCLUSION_PREDICATE:
 107                 r600_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag);
 108                 break;
 109         case PIPE_QUERY_PRIMITIVES_EMITTED:
 110         case PIPE_QUERY_PRIMITIVES_GENERATED:
 111         case PIPE_QUERY_SO_STATISTICS:
 112         case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
 113                 r600_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag);
 114                 break;
 115         default:
 116                 assert(0);
 117         }
 118 }
 119
 120 void r600_init_query_functions(struct r600_context *rctx)
 121 {
 122         rctx->context.create_query = r600_create_query;
 123         rctx->context.destroy_query = r600_destroy_query;
 124         rctx->context.begin_query = r600_begin_query;
 125         rctx->context.end_query = r600_end_query;
 126         rctx->context.get_query_result = r600_get_query_result;
 127
 128         if (rctx->screen->info.r600_num_backends > 0)
 129             rctx->context.render_condition = r600_render_condition;
 130 }